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<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>speed</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@localhost" /> </head> <body> <ul id="index"> <li><a href="#NAME">NAME</a></li> <li><a href="#SYNOPSIS">SYNOPSIS</a></li> <li><a href="#DESCRIPTION">DESCRIPTION</a></li> <li><a href="#OPTIONS">OPTIONS</a></li> <li><a href="#COPYRIGHT">COPYRIGHT</a></li> </ul> <h1 id="NAME">NAME</h1> openssl-speed, speed - test library performance <h1 id="SYNOPSIS">SYNOPSIS</h1> openssl speed [-help] [-engine id] [-elapsed] [-evp algo] [-decrypt] [-rand file...] [-writerand file] [-primes num] [-seconds num] [-bytes num] [algorithm...] <h1 id="DESCRIPTION">DESCRIPTION</h1> This command is used to test the performance of cryptographic algorithms. To see the list of supported algorithms, use the list --digest-commands or list --cipher-commands command. The global CSPRNG is denoted by the rand algorithm name. <h1 id="OPTIONS">OPTIONS</h1> <dl> <dt id="help">-help</dt> <dd> Print out a usage message. </dd> <dt id="engine-id">-engine id</dt> <dd> Specifying an engine (by its unique id string) will cause speed to attempt to obtain a functional reference to the specified engine, thus initialising it if needed. The engine will then be set as the default for all available algorithms. </dd> <dt id="elapsed">-elapsed</dt> <dd> When calculating operations- or bytes-per-second, use wall-clock time instead of CPU user time as divisor. It can be useful when testing speed of hardware engines. </dd> <dt id="evp-algo">-evp algo</dt> <dd> Use the specified cipher or message digest algorithm via the EVP interface. If algo is an AEAD cipher, then you can pass <-aead> to benchmark a TLS-like sequence. And if algo is a multi-buffer capable cipher, e.g. aes-128-cbc-hmac-sha1, then -mb will time multi-buffer operation. </dd> <dt id="decrypt">-decrypt</dt> <dd> Time the decryption instead of encryption. Affects only the EVP testing. </dd> <dt id="rand-file">-rand file...</dt> <dd> A file or files containing random data used to seed the random number generator. Multiple files can be specified separated by an OS-dependent character. The separator is ; for MS-Windows, , for OpenVMS, and : for all others. </dd> <dt id="writerand-file">[-writerand file]</dt> <dd> Writes random data to the specified file upon exit. This can be used with a subsequent -rand flag. </dd> <dt id="primes-num">-primes num</dt> <dd> Generate a num-prime RSA key and use it to run the benchmarks. This option is only effective if RSA algorithm is specified to test. </dd> <dt id="seconds-num">-seconds num</dt> <dd> Run benchmarks for num seconds. </dd> <dt id="bytes-num">-bytes num</dt> <dd> Run benchmarks on num-byte buffers. Affects ciphers, digests and the CSPRNG. </dd> <dt id="zero-or-more-test-algorithms">[zero or more test algorithms]</dt> <dd> If any options are given, speed tests those algorithms, otherwise a pre-compiled grand selection is tested. </dd> </dl> <h1 id="COPYRIGHT">COPYRIGHT</h1> Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved. Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>. </body> </html>